Update notes for submitted changes

* Upgrade maven-dependency-plugin to 3.2.0
* Upgrade jacoco-maven-plugin to 0.8.7
* Upgrade maven-jxr-plugin to 3.1.1

66/92e394523cd7529002104dd4560de1f0fdd8e9

@@ -0,0 +1,7 @@
+Verified+1: JGit Bot <jgit-bot@eclipse.org>
+Code-Review+2: Matthias Sohn <matthias.sohn@sap.com>
+Submitted-by: Matthias Sohn <matthias.sohn@sap.com>
+Submitted-at: Tue, 22 Jun 2021 17:44:13 -0400
+Reviewed-on: https://git.eclipse.org/r/c/jgit/jgit/+/180523
+Project: jgit/jgit
+Branch: refs/heads/master

f5/98e69529e0a1864e8224265ed82326f2a296f5

@@ -0,0 +1,7 @@
+Verified+1: JGit Bot <jgit-bot@eclipse.org>
+Code-Review+2: Matthias Sohn <matthias.sohn@sap.com>
+Submitted-by: Matthias Sohn <matthias.sohn@sap.com>
+Submitted-at: Tue, 22 Jun 2021 17:44:13 -0400
+Reviewed-on: https://git.eclipse.org/r/c/jgit/jgit/+/182110
+Project: jgit/jgit
+Branch: refs/heads/master

ff/e55a80056552cbb8cb7c41349151d8d420e5b7

@@ -0,0 +1,7 @@
+Verified+1: JGit Bot <jgit-bot@eclipse.org>
+Code-Review+2: Matthias Sohn <matthias.sohn@sap.com>
+Submitted-by: Matthias Sohn <matthias.sohn@sap.com>
+Submitted-at: Tue, 22 Jun 2021 17:44:13 -0400
+Reviewed-on: https://git.eclipse.org/r/c/jgit/jgit/+/180008
+Project: jgit/jgit
+Branch: refs/heads/master